3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 1; $y = '1'; if($i===1){ echo 'i is great<br />'; } if($i==true){ echo 'i is true<br />'; } if($i===true){ echo 'i is not totaly true<br />'; } if($y===1){ echo 'y is great<br />'; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
i is great<br />i is true<br />
preferences:
223.69 ms | 406 KiB | 354 Q